ScienceInsights

Find out which flu strains this year's vaccine covers, why it dropped to three strains, and how to pick the right formula for your age and health.

From salt water rinses to clove oil, here are practical ways to ease toothache pain at home — and signs it's time to see a dentist.

Red dots on your skin can have many causes, from harmless cherry angiomas to petechiae and heat rash. Here's how to tell them apart.

Low-dose gabapentin varies by condition, age, and kidney health. Here's what typical starting doses look like and why one size doesn't fit all.

Waking up with crusty eyes is usually harmless, but it can sometimes signal an infection or other condition worth addressing.

A fever in a 5 month old starts at 100.4°F. Learn when to call your doctor, how to take an accurate temperature, and how to keep your baby comfortable.

Second trimester weight gain depends on your starting BMI. Learn the weekly targets, where the weight goes, and how to stay on track.

One-sided throat pain can point to tonsillitis, an abscess, or even dental issues. Learn what's likely causing yours and when to see a doctor.

Learn the physical symptoms and blood sugar patterns that signal your body may need insulin, across type 1, type 2, and gestational diabetes.

Swollen feet can often be relieved with simple steps like elevation, movement, and hydration—plus when to see a doctor.